Home / 6,330.47-8,735.54-3,642.12

Finding the Fourth Proportional to 6,330.47, 8,735.54 and 3,642.12

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Solution

The fourth proportional to 6,330.47, 8,735.54 and 3,642.12 is: 5,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.47 : 8,735.54 = 3,642.12 : x
  2. Step 2: Convert to fraction form
    6,330.47/8,735.54 = 3,642.12/x
  3. Step 3: Cross multiply
    6,330.47x = 8,735.54 × 3,642.12
  4. Step 4: Simplify right side
    6,330.47x = 31,815,866.73
  5. Step 5: Solve for x
    x = 31,815,866.73/6,330.47
  6. Step 6: Final answer
    x = 5,025.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.